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Commissioning and performance of IDATEN: A large fast-timing [formula omitted]-ray detector array at the RIBF.

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Title: Commissioning and performance of IDATEN: A large fast-timing [formula omitted]-ray detector array at the RIBF.
Authors: Moon, B.1,2 (AUTHOR) mb0316@ibs.re.kr, Lee, J.1,3 (AUTHOR), Jang, Y.1,3 (AUTHOR), Watanabe, H.1 (AUTHOR), Nishimura, S.2 (AUTHOR), Phong, V.2 (AUTHOR), Zeng, Q.4 (AUTHOR), Baba, H.2 (AUTHOR), Bae, S.1,5 (AUTHOR), Bruce, A.M.6 (AUTHOR), Chen, H.4 (AUTHOR), Choi, S.7 (AUTHOR), Esmaylzadeh, A.8 (AUTHOR), Fischer, J.8 (AUTHOR), Fraile, L.M.9,10 (AUTHOR), Fukuda, N.2 (AUTHOR), De Lorenzo, G. Garcia10 (AUTHOR), Go, S.2 (AUTHOR), Görgen, A.11 (AUTHOR), Górska, M.12 (AUTHOR)
Source: Nuclear Instruments & Methods in Physics Research Section A. Apr2026, Vol. 1084, pN.PAG-N.PAG. 1p.
Subjects: Gamma ray detectors, Radioactive nuclear beams, Neutrons, Isotopes, Half-life (Nuclear physics), Acquisition of data
Abstract: A large fast-timing γ -ray detector array has been newly developed under the International Detector Assembly for fast-Timing measurements of Exotic Nuclei (IDATEN) project. The full IDATEN array comprises 82 LaBr 3 (Ce) γ -ray detectors, of which 46 and 36 are provided by the KHALA and FATIMA collaborations, respectively. To assess the fast-timing performance of this large-scale system with stopped rare-isotope beams, a commissioning experiment was recently carried out at the Radioactive Isotope Beam Factory (RIBF) at RIKEN. Neutron-deficient rare isotopes near 100Sn were produced via in-flight fragmentation of a 124Xe primary beam. The fast-timing capability was evaluated using 96Pd as the reference nucleus by measuring the half-lives of the 2 1 + , 4 1 + and 6 1 + levels, which were populated through the decay of the long-lived 8 1 + isomeric state. These results demonstrate the reliability of our experimental setup, including the readout electronics and data acquisition system, thereby validating its readiness for forthcoming physics experiments at the RIBF. Moreover, the measured half-life values are in agreement with previously reported literature values, with some determinations achieving improved precision. [ABSTRACT FROM AUTHOR]
Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 190934134
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  Data: Commissioning and performance of IDATEN: A large fast-timing [formula omitted]-ray detector array at the RIBF.
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  Data: <searchLink fieldCode="AR" term="%22Moon%2C+B%2E%22">Moon, B.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> mb0316@ibs.re.kr</i><br /><searchLink fieldCode="AR" term="%22Lee%2C+J%2E%22">Lee, J.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jang%2C+Y%2E%22">Jang, Y.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Watanabe%2C+H%2E%22">Watanabe, H.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nishimura%2C+S%2E%22">Nishimura, S.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Phong%2C+V%2E%22">Phong, V.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zeng%2C+Q%2E%22">Zeng, Q.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Baba%2C+H%2E%22">Baba, H.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bae%2C+S%2E%22">Bae, S.</searchLink><relatesTo>1,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bruce%2C+A%2EM%2E%22">Bruce, A.M.</searchLink><relatesTo>6</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+H%2E%22">Chen, H.</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Choi%2C+S%2E%22">Choi, S.</searchLink><relatesTo>7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Esmaylzadeh%2C+A%2E%22">Esmaylzadeh, A.</searchLink><relatesTo>8</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fischer%2C+J%2E%22">Fischer, J.</searchLink><relatesTo>8</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fraile%2C+L%2EM%2E%22">Fraile, L.M.</searchLink><relatesTo>9,10</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fukuda%2C+N%2E%22">Fukuda, N.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22De+Lorenzo%2C+G%2E+Garcia%22">De Lorenzo, G. Garcia</searchLink><relatesTo>10</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Go%2C+S%2E%22">Go, S.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Görgen%2C+A%2E%22">Görgen, A.</searchLink><relatesTo>11</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Górska%2C+M%2E%22">Górska, M.</searchLink><relatesTo>12</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Nuclear+Instruments+%26+Methods+in+Physics+Research+Section+A%22">Nuclear Instruments & Methods in Physics Research Section A</searchLink>. Apr2026, Vol. 1084, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Gamma+ray+detectors%22">Gamma ray detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Radioactive+nuclear+beams%22">Radioactive nuclear beams</searchLink><br /><searchLink fieldCode="DE" term="%22Neutrons%22">Neutrons</searchLink><br /><searchLink fieldCode="DE" term="%22Isotopes%22">Isotopes</searchLink><br /><searchLink fieldCode="DE" term="%22Half-life+%28Nuclear+physics%29%22">Half-life (Nuclear physics)</searchLink><br /><searchLink fieldCode="DE" term="%22Acquisition+of+data%22">Acquisition of data</searchLink>
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  Data: A large fast-timing γ -ray detector array has been newly developed under the International Detector Assembly for fast-Timing measurements of Exotic Nuclei (IDATEN) project. The full IDATEN array comprises 82 LaBr 3 (Ce) γ -ray detectors, of which 46 and 36 are provided by the KHALA and FATIMA collaborations, respectively. To assess the fast-timing performance of this large-scale system with stopped rare-isotope beams, a commissioning experiment was recently carried out at the Radioactive Isotope Beam Factory (RIBF) at RIKEN. Neutron-deficient rare isotopes near 100Sn were produced via in-flight fragmentation of a 124Xe primary beam. The fast-timing capability was evaluated using 96Pd as the reference nucleus by measuring the half-lives of the 2 1 + , 4 1 + and 6 1 + levels, which were populated through the decay of the long-lived 8 1 + isomeric state. These results demonstrate the reliability of our experimental setup, including the readout electronics and data acquisition system, thereby validating its readiness for forthcoming physics experiments at the RIBF. Moreover, the measured half-life values are in agreement with previously reported literature values, with some determinations achieving improved precision. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.nima.2025.171239
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        Text: English
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      – SubjectFull: Gamma ray detectors
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      – SubjectFull: Radioactive nuclear beams
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      – SubjectFull: Neutrons
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      – SubjectFull: Isotopes
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      – SubjectFull: Half-life (Nuclear physics)
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      – SubjectFull: Acquisition of data
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